frr/tests/topotests/ldp_oc_topo1/r1/show_ldp_discovery.ref

{
  "adjacencies":[
    {
      "addressFamily":"ipv4",
      "neighborId":"2.2.2.2",
      "type":"link",
      "interface":"r1-eth0",
      "helloHoldtime":15
    }
  ]
}